package oss import ( "github.com/aliyun/aliyun-oss-go-sdk/oss" "net/http" _ "unsafe" ) //go:linkname ossSignHeader github.com/aliyun/aliyun-oss-go-sdk/oss.(*Conn).signHeader func ossSignHeader(c *oss.Conn, req *http.Request, canonicalizedResource string)